What best practices should be followed when implementing a web interface for server administration in PHP?

When implementing a web interface for server administration in PHP, it is important to follow best practices to ensure security and efficiency. Some key practices include using secure authentication methods, input validation to prevent SQL injection and other attacks, and implementing proper error handling to provide meaningful feedback to users. 

// Example of secure authentication using password hashing
$password = $_POST['password'];
$hashed_password = password_hash($password, PASSWORD_DEFAULT);

// Example of input validation to prevent SQL injection
$username = $_POST['username'];
$username = mysqli_real_escape_string($conn, $username);

// Example of proper error handling
if (!$result) {
    die("Error: " . mysqli_error($conn));
}

Keywords

security authentication authorization CSRF protection error handling

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